Disable FILS support, since it pulls in crypto hash support

--- a/net/mac80211/fils_aead.h
+++ b/net/mac80211/fils_aead.h
@@ -10,7 +10,7 @@
 #ifndef FILS_AEAD_H
 #define FILS_AEAD_H
 
-#if LINUX_VERSION_IS_GEQ(4,3,0)
+#if 0 /* LINUX_VERSION_IS_GEQ(4,3,0) */
 int fils_encrypt_assoc_req(struct sk_buff *skb,
 			   struct ieee80211_mgd_assoc_data *assoc_data);
 int fils_decrypt_assoc_resp(struct ieee80211_sub_if_data *sdata,
--- a/net/mac80211/fils_aead.c
+++ b/net/mac80211/fils_aead.c
@@ -1,4 +1,4 @@
-#if LINUX_VERSION_IS_GEQ(4,3,0)
+#if 0 /* LINUX_VERSION_IS_GEQ(4,3,0) */
 /*
  * FILS AEAD for (Re)Association Request/Response frames
  * Copyright 2016, Qualcomm Atheros, Inc.
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -550,7 +550,7 @@ struct ieee80211_hw *ieee80211_alloc_hw_
 			   NL80211_FEATURE_MAC_ON_CREATE |
 			   NL80211_FEATURE_USERSPACE_MPM |
 			   NL80211_FEATURE_FULL_AP_CLIENT_STATE;
-#if LINUX_VERSION_IS_GEQ(4,3,0)
+#if 0 /* LINUX_VERSION_IS_GEQ(4,3,0) */
 	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_FILS_STA);
 #endif
 
